Building health · MANHATTAN, NY

100 Post Ave

built 1926 · 6 stories · 54 apartments
Also known as 577 W 204 St — one building, several doors.

Apartments named in these records

4 of this building’s 54 apartments are named in a city record. The rest have no record naming them, which is the usual case.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Heat and hot water

Issues on record (2024) · 6 complaints, 2024–2026 · 2 in the past year
Heat source

Boiler burning no6fuel (Federal Fst 100 FEDERAL FST 100), registration cancelled since Nov 1988

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Jan 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-17 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Heat and hot water complaints

2 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · See the complaints at HPD Online →
What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record (2024) · 2 complaints, 2024–2026 · 1 in the past year

Pests and cleanliness

Issues on record (2024) · 1 complaint, 2024

Fire and safety

Issues on record, most recently 2025

Structure and facade

Issues on record, most recently 2025
What has happened here
2025 Aug
Doors and windows class B · HPD violation
2025 Aug
Doors and windows class B · HPD violation
2025 Mar
Construction class - 1 · DOB violation
2024 Nov
Walls, floors and stairsApt 5A class A · HPD violation
2024 Nov
Doors and windowsApt 5A class A · HPD violation
2024 Nov
Walls, floors and stairsApt 5A class A · HPD violation
Show 21 more
2024 Nov
Walls, floors and stairsApt 5A class A · HPD violation
2024 Nov
Walls, floors and stairsApt 5A class A · HPD violation
2024 Nov
Walls, floors and stairsApt 5A class A · HPD violation
2024 Oct
Doors and windowsApt 1B class B · HPD violation
2024 Oct
Doors and windowsApt 1B class B · HPD violation
2024 Oct
Walls, floors and stairsApt 1B class B · HPD violation
2019 Feb
General construction permit
2018 Aug
Alteration permit
2013 Jun
General construction permit
2011 Jul
General construction permit
2000 Dec
Construction never closed · DOB violation
2000 Oct
Construction hazardous · never closed · DOB violation
1997 Sep
Construction non-hazardous · never closed · DOB violation
1995 Sep
Construction non-hazardous · never closed · DOB violation
1995 Sep
Construction non-hazardous · never closed · DOB violation
1995 Aug
Construction non-hazardous · never closed · DOB violation
1995 Mar
Construction non-hazardous · never closed · DOB violation
1995 Mar
Construction non-hazardous · never closed · DOB violation
1993 Jan
Construction non-hazardous · never closed · DOB violation
1992 Feb
Construction non-hazardous · never closed · DOB violation
1989 Nov
Construction non-hazardous · never closed · DOB violation
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit
  • Landmark statusno recordNot in a historic district on record

Flooding

No issues on record
FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-19
What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)

NYC Stormwater Flood Maps, as of 2024-07-03
What this counts

Mapped ponding touching the building footprint

BasementWhole tax lot

Above grade

PLUTO (tax lot data), as of 2026-08-24

Rent and tenancy

On the state list
Rent stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30
What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Energy

Energy

ENERGY STAR score 64 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25
What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

51 open: 51 about building conditions — walls, floors and stairs (12), doors and windows (11), leaks (7), pests (6); 8 immediately hazardous (class C). Also 49 older records from 1979–2016 never closed. 5 further violations from 2024–2026 were closed. 123 violations on record in all, 1979–2026 — the 105 most recent are listed here

Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →
What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

Permit history

8 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-17 · See every permit at DOB →
What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

Sources

23 datasets

Each date is when we last checked that dataset, not when the record itself was created.

Every row shows the record it came from and the date it was last checked.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.